American psychiatrist Hervey M. Cleckley's work on psychopathy probably influenced the initial diagnostic criteria for antisocial personality reaction/disturbance in the Diagnostic and Statistical Manual of Mental Disorders (DSM), as did American psychologist George E. Partridge's work on sociopathy.[citation needed] The DSM and International Classification of Diseases (ICD) subsequently introduced the diagnoses of antisocial personality disorder (ASPD) and dissocial personality disorder, stating that these have been referred to (or include what is referred to) as psychopathy or sociopathy.[1][2][3][4] Canadian psychologist Robert D. Hare later repopularised the construct of psychopathy in criminology with his Psychopathy Checklist.[1][5]
Although no psychiatric or psychological organization has sanctioned a diagnosis titled "psychopathy", assessments of psychopathy characteristics are widely used in criminal justice settings in some nations, and may have important consequences for individuals.[5] The term is also used by the general public, in popular press, and in fictional portrayals.[6]
Conceptions[edit]
Researchers have noted that there appear to be at least two different conceptions of psychopathy, each with differing policy implications. Jennifer L. Skeem et al. distinguished Cleckleyan psychopathy (named after Hervey Cleckley's early conception of